Have you ever felt a hot, burning sensation in your mouth—like it had been scalded—but you didn't eat or drink anything that could have caused it?

While you may think you’re hallucinating, there’s another possibility: Burning Mouth Syndrome (BMS). This condition, which can last for years, produces sensations in the mouth of not only scalding or burning, but also tingling, numbness and a decline in your ability to taste. Patients may feel it throughout their mouth or only in localized areas like the lips, tongue or inside the cheeks.

The exact cause of BMS is also something of a mystery. It’s been theoretically linked to diabetes, vitamin or mineral deficiencies and psychological problems. Because it’s most common among women of menopausal age hormonal changes have been proposed as a factor, although hormone replacement therapy often doesn’t produce any symptomatic relief for BMS.

To complicate matters, other conditions often share the condition’s effects, which need to be ruled out first to arrive at a BMS diagnosis. A feeling of scalding could be the result of mouth dryness, caused by medications or systemic conditions that inhibit saliva flow. Some denture wearers may display some of the symptoms of BMS due to an allergic reaction to denture materials; others may have a similar reaction to the foaming agent sodium lauryl sulfate found in some toothpaste that can irritate the skin inside the mouth.

If these other possibilities can be ruled out, then you may have BMS. While unfortunately there’s no cure for the condition, there are ways to lessen its impact. There’s even the possibility that it will resolve itself over time.

Until then, keep your mouth moist by drinking lots of water or using saliva-stimulating products, limiting alcohol, caffeinated drinks or spicy foods and refraining from smoking. If you’re taking medications that could cause dry mouth, speak with your physician about changing to an alternative. And try to reduce stress in your life through exercise, mindfulness practices or support groups.

While BMS isn’t considered harmful to your physical health it can make life less enjoyable. Careful symptom management may help improve your quality of life.